Problems from 2021 ICPC North America Regional Programming Contests (March 5 2022)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Archery Accuracy0.01871423174%7.2Harden
Average Character0.00271841167591%2.0Easyen
Black and White0.0759218915381%4.7Mediumen
Circle Bounce0.002001018887%5.5Harden
Diagonals0.001853593966%7.6Harden
Dorm Room Divide0.0147625317670%6.3Harden
Double Password0.00182615244493%1.5Easyen
Fail Them All!0.008991478256%7.9Harden
Hopscotch 5000.1187817612571%7.1Harden
Overdraft0.00361338119689%1.9Easyen
Problem Set Construction0.01940513773%6.6Harden
Reversibly Cyclic Strings0.003130625985%3.2Mediumen
Rise and Fall0.008833024073%4.6Mediumen
Scaling Recipe0.003491684192%1.9Easyen
Shortest Missing Subsequences0.0939414010374%5.9Harden
Square Bounce0.00470624369%7.2Harden
Tetris Generation0.009041726764%6.1Harden
Tournament Seeding0.0122024720382%4.0Mediumen
Tree Hopping0.0289327920774%6.1Harden
Who Goes There?0.0011946737280%3.7Mediumen
XOR Island0.002791117467%6.9Harden